package com.soloyogame.anitoys.service;import com.soloyogame.anitoys.core.Services;import com.soloyogame.anitoys.db.commond.CouponSn;/** * 优惠券服务接口 * @author shaojian */public interface CouponSnService extends Services<CouponSn> {    /**     * 查找一条有效的优惠券     * @param couponSn     * @return     */    public CouponSn findEffectiveCouponSnCodeByName(CouponSn couponSn);    /**     * 更新优惠券信息     * @param couponSn     * @return     */    public  int updateCouponSnReceiveStatus(CouponSn couponSn);}